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Wiimmfi and Nintendo WFC error codes

Information about error codes

Error 23971
TypeCodeDescription
Class 2xxxx NAS/NASWII (login server) error codes.
Section 23xxx NAS/NASWII returned HTTP status code xxx during login.
Error 23971 Wiimmfi: Don't use your own Ocarina codes.
Solution 23971 Enter your (USB-) loader settings and disable Ocarina support at all.

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